查询词典 radio transmission

At first, setting up the arith relation between the signal input and the signal output of the generalized multi-carrier system of the Discrete Fourier Test spread-spectrum; then setting equilibria parameters of the frequency field equilibria subcarrier of the generalized multi-carrier system of the DFT spread-spectrum according to channel frequency response, channel noise variance and equilibria method; then calculating average power of useful signal, interferential average power between signals as well as noise variance of the generalized multi-carrier system receiving terminal of the DFT spread-spectrum according to the arith relation as well as the frequency field equilibria parameter, and recomputing available signal information noise ratio, so as to calculate the available signal information noise ratio of the generalized multi-carrier transmission system accurately, the method for estimating the available signal information noise ratio can be used for link self-adapting transmission solution of the generalized multi-carrier system based on Discrete Fourier Test spread-spectrum and radio material management.

一种DFT扩频的广义多载波系统的SINR估计方法，其通过首先建立所述离散傅立叶变换扩频的广义多载波传输系统的信号输入输出之间的数学关系，然后根据信道频率响应、信道噪声方差和均衡方法，设定所述DFT扩频的广义多载波传输系统的频域均衡子载波的均衡系数，再根据所述数学关系及所述频域均衡系数分别计算所述DFT扩频的广义多载波传输系统接收端有用信号的平均功率、信号间干扰的平均功率以及噪声方差，再计算有效信干噪比，如此以实现对广义多载波传输系统的有效信干噪比的准确计算，该有效信干噪比估计方法可用于基于离散傅立叶变换扩频的广义多载波传输系统的链路自适应传输方案和无线资源管理方面。

Node c, which is connected by two different protocols, that is, the IEEE 1394 as a line transmission system and the radio transmission system, becomes the bus manager through bus arbitration, and allocates ID to each of nodes a to d in the network.

要约 以两种不同协议，即作为线传输系统的IEEE1394和无线电传输系统被连接的节点c通过总线仲裁成为总线管理者，并且分配ID给网络中的节点a到节点d的每一个节点。

First, the article analyses the current situation of the Wide Band transmission optical network of Metro and put forward its target of next development. And it continues to talk about the key technology of the Wide Band transmission optical network of Metro: optical caber, MSTP, DWDM, RPR and make comparison with them. It offers the general plan of construction of the Wide Band transmission optical network of Metro.

首先，本文分析了目前宽带城域光传送网的现状，提出了下一代城域光传送网的发展目标，论述了城域光传送网中的主要关键技术：光纤直连、多业务传送平台、城域波分、弹性分组环，并对这几种技术进行了对比分析，提出了宽带城域光传送网总体建设方案。

The optical fiber transmission techniques have been applied to a wired television transmission network, and replacing the long—distance cable backbone, and application of the co-axial cable advantages as of the transmission medium has formed a concept of Hybrid Fiber Coaxof the branch and going to-some place by distribution.

光传输技术在有线电视传输网网络的应用，取代了长距离的电缆干线，而利用同轴电缆的优点作为支线及分配入户的传输媒质形成了HFC的概念，即光纤电缆混合网。

Magnetic transmission power with increasing temperature is a continuous decline in the curve, usually the work of extreme temperature in the magnet below the decline of its transmission capacity is reversible, but above the limit temperature is irreversible, that is, magnetic cooling After the loss of transmission capacity can no longer be resumed.

磁钢传递的功率随温度的升高是一条连续下降的曲线，通常，在磁钢工作极限温度以下，其传递能力的下降是可逆的，而在极限温度以上则是不可逆的，即磁钢冷却后，丧失的传递能力再也不能恢复。

The major parts of the transmission include the transmission case , input shaft ,output shaft ,countershaft, driving gear ,transmission fork ,etc.

变速器的主要部件包括变速器壳、输入轴、输出轴、中间轴、传动齿轮、变速叉等。

The builds compose to be based on ethics of transmission of network, network, transmission crosswise of network transmission ethics is taken.

网络传播伦理的建构基于网络、网络传播、传播伦理的交叉地带。

Taking the minimization of the tooth crown of a worm wheel and the maximization of transmission efficiency and the distance from the center as objectives,we establish the mathematical model for the multi-objective optimal design of worm transmission on the condition that the worm wheel and the worm transmission meet the requirements for load,strength and others.

以蜗轮齿冠体积最小、传动效率最高和中心距最小为目标，在保证蜗轮和蜗杆满足承载、强度及其它要求的前提下建立蜗杆传动多目标优化设计的数学模型。

On the base of the architecture and functionality of OTN transmission system,this thesis introduces the application of OTN transmission network in metro communication system,and then analyses the solu-tion and attention items for OTN transmission cutover under this condition detailedly.

本文阐述了OTN传输网的系统构成与功能实现，介绍了OTN在地铁通信系统中的应用，详细分析了在此环境下OTN传输网割接的解决办法及注意事项。

Then positively ana.lyzed transmission effect of monetary policy of China in recent years, and with relative theories, discussed rr~ore deeply the existing principal problems on transmission mechanisms of monetary policy in our state under the realistic institutional situation of economy and finance:(1)Monetary policy tools lag behind the economic and financil background;(2)Separated and uneven money markets, the lack of transaction agents and defect in the relation between money markets and c~potal markets, have rendered the transaction of monetary policy lack on effective channel;(3)over-speculating, illegal operation and insufficient competition have severely weakened the transmission fumction;(4) systematic defect of state -owned commercial bank, asymmetry between financial and economic composition have made monetary policy lose an effective carrier;(5) factors beyond the financial system, such as soft cornstraint over state - owned enterprises policy decision, imperfect social insurance system, etc.

接下来对我国近年来的货币政策传导效果进行了实证分析，在此基础上运用相关传导机制理论并结合我国实际经济、金融制度与环境论述了我国当前货币政策传导机制的主要问题：（1）货币政策工具相对于经济、金融环境显得落后；（2）货币市场的分割、不平衡、交易主体不全以及货币市场与资本市场的联系机制缺位使得货币政策缺乏一个有效的场所；（3）资本市场特别是股票市场的过渡投机、违规操作以及不充分竞争严重地削弱了证券市场的传导功能；（4）国有商业银行现行体制的缺陷，金融结构与经济结构的非对称使得货币政策传导受阻；(5)金融体系外的因素（如国企决策行为软约束、社会保障制度不健全）。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48